| 摘要 |
1,087,106. Sampling liquids. AIR REDUCTION CO. Inc. Aug. 8, 1966 [Aug. 16, 1965], No. 35457/66. Heading B8N. An apparatus for taking samples of a liquefied gas 11 contained in a vessel 10 comprises acapillary tube 12 defining a flow path for the. liquid from the vessel to a vaporization chamber 16, a refrigerated zone 13 separated: from the latter chamber by a thermal barrier 18 and a means 19 for increasing the linear velocity of the liquid within the refrigerated zone. The refrigerated zone is formed by a tube 13 through which a refrigerant, such as liquid nitrogen, is pumped in order to maintain the temperature of the capillary tube 12 slightly below that of the liquid 11. The means 19, for increasing the linear velocity of the liquid is provided by flattening the tube. A metal rod 20 is provided for smoothing out temperature changes due to uneven flow of the refrigerant. |
